sand grain的例句大全

Sand grain size is the main effect factor on perforation penetration depth.

砂子粒径是影响射孔侵彻深度的重要因素.

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The equilibrium sand transport is simulated by Lagrange model combined with the probabilistic distributions of initial speed and angle of ejection sand grain in this paper.

本文用Lagrange方法结合起跳沙粒初始运动状态分布模拟了稳态风沙输运过程。

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experimental study on sand grain migration in wellbore

井筒砂粒运移规律室内模拟实验研究

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Prevention Measure Of Air Bladder And Sand Grain At Concrete Surface Of Railroad Bridge

铁路桥梁混凝土表面气泡和砂纹的防治措施

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The fluorocarbon resin emulsion sand texture paint with excellent performance was prepared using synthesized fluorocarbon resin emulsion as binding agent, and sand grain, fine stone particle and stone powder as aggregate, selecting proper aggregate grading, aggregate/ base material ratio and various additives.

采用合成氟树脂乳液为粘结剂，以砂粒、石材微粒和石粉为骨料，通过选择适当的骨料级配、骨料/基料比以及各种助剂等，制成了性能优异的氟树脂乳液砂壁状建筑涂料。

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The threshold velocity of sand is influenced by many factors in coastal zone, but the grain diameter and moisture content of sand grain are the dominant factors.

在海岸带，沙粒粒径和水分含量是决定沙粒起动风速的最主要因素。

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Otherwise there will be a large error between the value calculated by Stokes formula and the actual value under the condition of bigger sand grain and lower fluid viscosity.

当砂粒较大、液体粘度较小时，用斯托克斯公式得出的计算值与实际值相差很大。

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it is very important to pay attention to sand grain composition in the sand-lime brick production

在灰砂砖生产中必须特别重视砂子的颗粒级配

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The stuff, typically the size of a sand grain, vaporizes in the atmosphere.

的东西, 一般大小的砂粒, 在大气中蒸发.

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According to the analyses of forming causation of air bladder and sand grain at concrete surface of railroad bridge, this paper studies it from five aspects of bridge prefabricate craftwork, and puts forward relevant prevention technique measure.

通过对铁路桥梁混凝土表面气泡和砂纹形成原因的分析，从桥梁预制工艺5个方面进行试验研究，并提出了相应的防治技术措施。

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it would be more like that of a bluebottle path described by a particle, such as a sand grain in the rock.

假如我们真能看到诸如岩石中一个沙粒子的运动轨迹。

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it would be more like that of a bluebottle path described by a particle, such as a sand grain in the rock.

假如我们真能看到诸如岩石中一个沙粒子的运动轨迹。

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A world in a grain of sand, and a heaven in a wild flower.

一粒沙里一个世界，一朵花里一个天国。

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The coarse grain sediment of sand distributed in near shore area.

粗颗粒的砂质沉积物则主要分布在近岸区。

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Distribution Analysis of Nutrient and Grain Size of Soil After Silting up Using Flood with High Sand

利用高含沙洪水治沙淤地的土壤养分、粒径分布特征分析

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The Morphology and Grain-Size of Tidal Sand Ridges in the North of Bohai Bay

渤海湾北部潮流沙脊的形态与粒度特征

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Grain-size features of sand materials in sedimentary veins of Tamarix cone in Lop Nur region

近150年来罗布泊红柳沙包沉积纹层沙物质粒度特征

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Through researching grain size characteristics of north part of the Tengger Desert, we get the results: ( 1) dunes sediment of north margin of the Tengger Desert donot include gravel, very coarse sand and silt.

研究腾格里沙漠北缘沙丘粒度特征得出：（1）腾格里沙漠北缘沙丘沉积物不含砾石、极粗砂和粉沙。

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In the spring tide of market economy, Fluorocarbon coating industry as a grain of sand to reform, rolling in the great wave of economic.

在市场经济的大潮中，氟碳涂料行业作为迎合改革浪潮的一粒尘沙，在巨大的经济浪潮中翻滚。

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the test of field sand control by the cemented stone with big grain and selective permeation shows the cemented stone with big grain and selective permeation can be used as a new material for sand control and water shutting off.

最后进行的粗颗粒选择性渗透水泥石用于现场防砂的试验表明，粗颗粒选择性渗透水泥石可以作为一种防砂兼顾堵水的新型材料。

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